Element f = simulator.getObject("el00242"); 
Element point = simulator.getObject("el01272");  

Element sp1 = simulator.getObject("el00248"); 
Element sp2 = simulator.getObject("el00251"); 
Element sp3 = simulator.getObject("el00254"); 
Element sp4 = simulator.getObject("el00258"); 
Element spx = simulator.getObject("el01163");  

Element tf = simulator.getObject("el01166"); 
Element undef = simulator.getObject("mt00000_0011"); 
undef.setVisibility(false);
undef.update();

tf.setEnabled(false);
tf.update();

//Element b = simulator.getObject("el00257"); 

String command;
double a,b,A,B,x,y;

while (true)
{
	command = simulator.getNextEvent();
	if (command.equals("buttonClick") || command.equals("abscChange"))
	{
		A=sp1.getDouble("Value");
		B=sp2.getDouble("Value");
		a=sp3.getDouble("Value");
		b=sp4.getDouble("Value");		
		f.set("Function", A+ "*ctg(" +a+ "*x+" +b+ "*pi)+" +B); 
		f.update();
	}
	
	if (command.equals("textChanged") || command.equals("abscChange") || command.equals("buttonClick"))
	{		
		x=spx.getDouble("Value");		
		if(b+a*x-java.lang.Math.floor(b+a*x)==0)
		{
			point.setVisibility(false);
			tf.set("Caption","");
			undef.setVisibility(true);
			undef.update();
		}
		else
		{
			if(b+a*x-java.lang.Math.floor(b+a*x)==0.5)
				y=B;
			else
				y=A/java.lang.Math.tan((a*x+b)*java.lang.Math.PI)+B;
			if(x==3) x=2.99;			
			if(x==-3) x=-2.99;
			point.set("Var2",y);
			x*=java.lang.Math.PI;
			point.set("Var1",x);
			point.setVisibility(true);
			undef.setVisibility(false);
			undef.update();
			tf.set("Caption",DecUtil.fString(y,2));
		}		
			point.update();
				
		//ord.setText(DecUtil.fString(y,2));
		//tf.set("Caption",DecUtil.fString(y,2));
		tf.update();
	}
	
	
	Thread.sleep(100);
	
}